22265301772 has 24 divisors (see below), whose sum is σ = 46874320640. Its totient is φ = 9040047120.

The previous prime is 22265301743. The next prime is 22265301811. The reversal of 22265301772 is 27710356222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20925504 + ... + 20926567.

Almost surely, 2^22265301772 is an apocalyptic number.

It is an amenable number.

22265301772 is an abundant number, since it is smaller than the sum of its proper divisors (24609018868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22265301772 is a wasteful number, since it uses less digits than its factorization.

22265301772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41852101 (or 41852099 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

Adding to 22265301772 its reverse (27710356222), we get a palindrome (49975657994).

The spelling of 22265301772 in words is "twenty-two billion, two hundred sixty-five million, three hundred one thousand, seven hundred seventy-two".